TWM605059U - Leisure chair folding structure - Google Patents

Abstract

A folding structure of a leisure chair, which includes two chair frame linkage groups, a front linkage group and a rear linkage group, the two chair frame linkage groups can be folded and deformed, and the front linkage group and The rear linkage group combines the two chair frame linkage groups together. Among them, the rear linkage group includes two rail rods, a pull handle, two upper linkages and two lower linkages. The pull handle links the two upper links and the two lower links, and slides the two lower links on the rail with a sliding sleeve, so that when the leisure chair is folded, the pull handle is pulled The detent action can release the restricted and fixed state of the lounge chair, which helps to improve the convenience of folding and storage of the structure. In addition, when the lounge chair is unfolded for use, the pull handle is pressed down against the two upper connecting rods to ensure The leisure chair is stable in use.

Description

The folding structure of the leisure chair

This creation is about a kind of leisure chair, especially the folding structure of a kind of leisure chair.

Press; In recent years, due to the economic development, the Chinese people pay more attention to leisure life. Outdoor activities such as camping and fishing are all welcomed by the public, and outdoor activities often bring lounge chairs for relaxing. However, in the structure of the conventional leisure chair, only the front foot frame or the rear foot frame can be folded. The seat part and the back of the chair can no longer be easily folded, so that the folded volume of the leisure chair cannot be effectively reduced. On the other hand, it will be more bulky and difficult, not convenient for consumers to carry and store, and lack of practicality.

In view of this, the creator has been engaged in the manufacturing, development and design of related products for many years, and after detailed design and careful evaluation of the above goals, he finally got a practical creation.

The technical problem to be solved by this creation is to provide a folding structure of the leisure chair in response to the above-mentioned defects in the prior art.

The folding structure of the above-mentioned leisure chair includes: two symmetrical chair frame linkage groups, one connecting rod group connected to the front side of the two chair frame linkage groups and one connecting rod group connecting the back sides of the two chair frame linkage groups The rod group, the two chair frame linkage groups are composed of multiple linkages and can be folded and deformed, and the two chair frame linkage groups are combined together through the front linkage group and the rear linkage group to achieve the leisure Of the chair The folded state is characterized in that the rear connecting rod group includes two rail rods, a pull handle, two upper connecting rods and two lower connecting rods. The two rail rods are tied to the upper and lower ends and are pivoted by a bracket. A sliding sleeve is slidably inserted on the back side of the connecting rod group of the two chair frames and the outer diameter of the two rail rods. The cross section of the pull handle is in the shape of ㄇ, and the two sides are pivotally pivoted. The upper connecting rod and the lower connecting rod, the upper end of the handle forms a stop part, and the stop part abuts against and restricts the second upper connecting rod when the rear connecting rod assembly is unfolded through the stop part. The other end is pivoted at the upper position of the two rail rods, and the other end of the two lower connecting rods is pivoted at the two sliding sleeves respectively,

Thereby, when the leisure chair is unfolded for use, the rear connecting rod group is centered on the pull handle to support the two upper connecting rods and the two lower connecting rods and expand the two chair frame connecting rod groups. When pulling up, the upper link will be lifted up, and the lower link will slide up along the rail through the sliding sleeve, so that the upper and lower links are formed Inverted V shape, and at the same time, the two chair frame connecting rod groups are leaned together in the direction of the handle, so as to achieve the folding storage state of the leisure chair.

Preferably, the two chair frame linkage groups both include a front foot rod and a rear foot rod pivotally connected in an inverted V shape, a chair cushion rod and a backrest rod pivoted in an L-shaped manner, and a backrest rod connected to the front, The pivotal end of the rear foot rod and the armrest rod between the backrest rods, and the outer diameter of the rear foot rod is slidably assembled with a sliding seat, and any upper half of the rear foot rod is provided with a stop part to provide the sliding seat To limit the abutment, the sliding seat is provided to connect the chair cushion rod so that the chair cushion rod can slide along the rear foot rod to reach an unfolded or collapsed state.

Preferably, the two rail rods of the rear link set are pivoted to the backrest rods of the two chair frame link sets respectively.

Preferably, the front connecting rod set includes an X-shaped connecting rod and two connecting pipes pivoted on both sides of the X-shaped connecting rod. Both of the connecting pipes are a telescopic tube with an inner shrinking tube with a smaller tube diameter. Two should The bottom of the connecting tube is pivoted on the bottom of the two front foot rods, and the top of the two retractable tubes are pivoted below the two chair cushion rods.

Comparing with the effect of the prior art: the rear link group of the leisure chair of this creation is linked to the two upper links and the two lower links through the handle, and the two lower links are respectively fitted with a sliding sleeve The sliding displacement on the rail rod makes the lounge chair foldable, the pull handle pulls to release the restraint and fixed state of the lounge chair, which helps to improve the convenience of folding and storage of the structure and facilitates the folding of the consumer In addition, when the leisure chair is deployed for use, the pull handle is pressed down against the two upper connecting rods to prevent the two upper connecting rods from propping up and to ensure the stability of the leisure chair for deployment. Practical enhancer.

In addition, through the pull-up or push-down linkage operation of the handle, it can be operated and used in a labor-saving manner. It can also prevent the leisure chair from being clamped and injured during the unfolding and folding operations, and has the effect of safety in use. By.

10: Chair frame connecting rod group

11: Forefoot

111: Shaft bolt

12: Rear foot pole

121: stop

13: Chair cushion rod

14: Back to bar

15: Handrail

151: adjustment board

152: Chute

153: positioning slot

16: sliding seat

20: Front link group

21: X-type connecting rod

22: Takeover

221: Inner shrink tube

30: Rear link group

31: Rail rod

311: Bracket

312: Sliding sleeve

32: Handle

321: Stop

322: Go

33: Upper link

34: Lower link

40: chair cover

[Picture 1] is a three-dimensional view of this creation.

[Picture 2] is an exploded view of this creation.

[Picture 3] is a side view after this creation.

[Picture 4] is a schematic diagram of the actual development of this creation.

[Picture 5] is a side view of the creation after the reduction action.

[Picture 6] is a three-dimensional view of the folding action of this creation.

[Picture 7] is the side view of this creation after folding.

[Picture 8] is a three-dimensional view of the folding and folding of this creation.

In order to enable your reviewer to have a further understanding and understanding of the purpose, features and effects of this creation, please cooperate with the following [Schematic Description] as detailed below:

First, please refer to Figures 1 and 2, a folding structure of a leisure chair, which includes: two symmetrical chair frame linkage groups 10, one connected to the front side of the two chair frame linkage groups 10 The rod group 20 and the rear rod group 30 connected to the back side of the chair frame linkage group 10, and the chair frame linkage group 10 are composed of multiple linkages, including an inverted V-shaped pivotal connection of a front foot rod 11 and a The rear foot rod 12 is pivotally connected to a chair cushion rod 13 and a backrest rod 14 in an L-shaped manner, and an armrest rod 15 connected between the pivotal ends of the front and rear foot rods 12 and 13 and the backrest rod 14. A sliding seat 16 is slidably arranged on the outer diameter of the rear foot bar 12, and a stop portion 121 is provided at any upper half of the rear foot bar 12 to limit the abutment of the sliding seat 16, and the sliding seat 16 provides connection to the The chair cushion rod 13 enables the chair cushion rod 13 to slide along the rear foot rod 12 to reach an unfolded or collapsed state; the front linkage group 20 includes an X-shaped link 21 and two pivoted on the X-shaped link 21 The second connecting tube 22 on the side, both of the connecting tubes 22 are telescopic tubes with a smaller inner shrinking tube 221 (please also refer to Figure 6), and the bottoms of the two connecting tubes 22 are pivoted on the two respectively. The bottom of the front foot rod 11 and the tops of the two inner retractable tubes 221 are respectively pivoted below the two cushion rods 13; the rear link group 30 includes two rail rods 31, a handle 32, two upper links 33, and There are two lower connecting rods 34. The two rail rods 31 are attached to the upper and lower ends. A bracket 311 is pivoted to the backrest rod 14 of the two chair frame connecting rod groups 10, and the outer diameters of the two rail rods 31 are both A sliding sleeve 312 is slidably penetrated. The handle 32 has a cross-sectional shape and a stop portion 321 is formed at the upper end, and a through hole 322 is formed at the center of the handle 32. The handle 32 can be deflected on both sides The upper connecting rod 33 and the lower connecting rod 34 are pivoted respectively, and the other ends of the two upper connecting rods 33 are respectively pivoted at positions above the two rail rods 31, and the two lower connecting rods 34 are separately pivoted. One end is pivoted to the two sliding sleeves 312 respectively.

For the composition of the structure, please refer to Figures 1, 2 and 3. Second, the front leg 11 and the rear leg 12 of the chair frame linkage group 10 are pivoted at the top through a shaft bolt 111 to form an inverted V shape, and The armrest rod 15 is connected via the shaft bolt 111. The bottom of the armrest rod 15 is provided with an adjusting plate 151. The adjusting plate 151 has a sliding groove 152 and three positioning grooves 153 connected to the sliding groove 152, so that the shaft bolt 111 can be moved along The sliding groove 152 of the adjusting plate 151 adjusts the displacement, and then is embedded in one of the positioning grooves 153 to restrict and fix. The seat cushion rod 13 and the backrest rod 14 pivoted in an L-shaped manner are relatively pivoted on the front and rear foot rods 11, 12 The middle section of the chair cushion rod 13 is pivoted at an appropriate place on the upper part of the front foot rod 11, and the rear half of the chair cushion rod 13 near the pivot point is connected to the sliding seat 16 of the rear foot rod 12, so that the The chair cushion rod 13 can slide along the rear foot rod 12 through the sliding seat 16 to reach the retractable folding of the chair cushion rod 13. The lower half of the backrest rod 14 is connected to the end of the armrest rod 15 in a proper position. When the armrest rod 15 is adjusted by the adjustment plate 151 in the displacement adjustment of the shaft bolt 111, in order to link the backrest rod 14 to achieve the adjustment of the inclination angle, the lower end of the X-shaped link 21 of the front link group 20 is connected to the two joints The bottom end of the tube 22 is connected with the bottom end of the two connecting tubes 22 and the lower end of the front foot rod 11 of the two chair frame connecting rod group 10, and the upper end of the X-shaped connecting rod 21 is connected to the two retractable tubes 221 And connect the top of the two inner shrinking tubes 221 with the bottom of the cushion rod 13 of the two chair frame linkage groups 10, and the two rail rods 31 of the rear linkage group 30 are first covered with a sliding sleeve 312, The upper and lower ends of the two rail rods 31 are respectively assembled on the backrest rod 14 of the chair frame linkage group 10 by a bracket 311, and the upper connecting rods 33 on both sides of the handle 32 are respectively pivoted. Are arranged at the upper ends of the two backrest rods 14, and then the lower connecting rods 34 on both sides of the handle 32 are pivoted to the sliding sleeves 312 on the two rail rods 31, thereby completing the assembly of the leisure chair, To form a foldable leisure chair structure.

The structure of the actual state of use, please refer to Figures 1 to 4, when the leisure chair is unfolded, it is pressed down by the armrest rod 15 of the chair frame linkage group 10 and pulled outward to make The front and rear leg bars 11, 12 are pulled back and forth to form an inverted V shape with the shaft bolt 111 as the axis, and the two sliding seats 16 Along the sliding displacement of the two rear foot rods 12, the rear ends of the two seat cushion rods 13 are propped up, and finally the sliding seat 16 is restrained by the abutment portion 121, and the front end of the two seat cushion rods 13 is caused by the rear end. The two inner shrinking tubes 221 are respectively retracted into the two connecting tubes 22, and the X-shaped connecting rods 22 of the front link set 20 are tied to both sides to open the two chair frame link sets 10, and the The second of the rear linkage group 30, the upper and lower linkages 33, 34 are simultaneously stretched outward as the two chair frame linkage groups 10 are pulled apart, and finally the pull handle 32 is pressed down to make the two The bottom end of the lower link 34 is slid to the lower end of the two rail rods 31 by a sliding sleeve 312, and the two upper links 33 are pressed and positioned by the stop portion 321, and then pass through the stop portion 321 at the rear When the connecting rod group 30 is unfolded, the upper connecting rod 33 is propped up to prevent the rear connecting rod group 30 from shrinking and shrinking, forming a restricted fixed state of the leisure chair, thereby unfolding the leisure chair. And the installation of a seat cover 40 can achieve the purpose of providing a ride for the user.

Conversely, when the lounge chair is to be folded for storage after use, please refer to Figures 5, 6, 7, and 8. First, pull up the handle 32 of the rear linkage group 30 to make the two upper connecting rods. The rod 33 is separated from the positioning state of the handle 32, and the two upper links 33 are lifted up, and the two lower links 34 slide upward along the two rails 31 through the two sliding sleeves 312 at the same time, so that Both the upper and lower links 33 and 34 form an inverted V shape, so that the two chair frame link sets 10 can be leaned together in the direction of the handle 32, and the X-shaped link of the front link set 20 can be linked at the same time. The rod 21 closes the two connecting tubes 22, and then folds the two chair frame linkage groups 10, so that the two inner shrinking tubes 221 are pulled out from the two connecting tubes 22, so that the two chair cushion rods and the two The armrest rod 15 is folded in the direction of the two backrest rods 14, and then the two front and rear foot rods 11, 12 are retracted and retracted in conjunction with each other, so as to achieve the folding state of the leisure chair, which is convenient for the user to carry and store.

With the structure of the above-mentioned specific embodiment, the following benefits can be obtained: the rear link group 30 of the leisure chair of the present creation is connected to the two upper links 33 and the two lower links 34 through the handle 32, and The two lower connecting rods 34 respectively use a sliding sleeve 312 to slide on the rail 31 to make the rest When the leisure chair is folded, the pull handle 32 can be used to release the restraint and fixed state of the leisure chair, which helps to improve the convenience of the structure folding and storage, which is convenient for consumers to perform folding operations. When unfolded, the handle 32 is pressed down against the two upper connecting rods 33 to prevent the two upper connecting rods 33 from propping up, so as to ensure the stability of the leisure chair in unfolded use, so as to be practical In addition, through the pull-up or push-down linkage operation of the handle 32, it can be operated and used in a labor-saving manner, and it can also prevent the leisure chair from being clamped and injured during the unfolding and folding operations. The effect of safety.

To sum up, this creation has indeed achieved a breakthrough structural design, and has improved new content, while at the same time it can achieve industrial utilization and progress. Moreover, this creation has not been seen in any publications, and it is also novel. In accordance with the relevant provisions of the Patent Law, Yan filed a new patent application in accordance with the law, and I implore the Jun Bureau review committee to grant legal patent rights.

Only the above is only one of the preferred embodiments of this creation, and should not be used to limit the scope of implementation of this creation; that is, all equal changes and modifications made in accordance with the scope of the patent application for this new model should still belong to this new model Covered by the patent.

10: Chair frame connecting rod group

11: Forefoot

111: Shaft bolt

12: Rear foot pole

121: stop

13: Chair cushion rod

14: Back to bar

15: Handrail

151: adjustment board

152: Chute

153: positioning slot

16: sliding seat

20: Front link group

21: X-type connecting rod

22: Takeover

30: Rear link group

31: Rail rod

311: Bracket

312: Sliding sleeve

32: Handle

321: Stop

322: Go

33: Upper link

34: Lower link

Claims (4)

A folding structure of a leisure chair, comprising: two symmetrical chair frame linkage groups, one connecting rod group connected to the front side of the two chair frame linkage groups, and one connecting rod group connecting the back sides of the two chair frame linkage groups The rod group, the two chair frame linkage groups are composed of multiple linkages and can be folded and deformed, and the two chair frame linkage groups are combined together through the front linkage group and the rear linkage group to achieve the leisure The folded state of the chair is characterized by: The rear linkage group includes two rail rods, a pull handle, two upper linkage rods and two lower linkage rods. The two rail rods are tied to the upper and lower ends and are pivoted to the two chair frame linkage groups by a bracket. A sliding sleeve is slidably inserted on the back side of the two rail rods and the outer diameter of the two rail rods. The cross section of the pull handle is in the shape of ㄇ, and the upper connecting rod and the lower connecting rod are pivotally pivoted on both sides. The upper end of the handle forms a stopper, and the stopper is used to limit the two upper connecting rods when the rear link group is deployed. The other ends of the upper connecting rods are pivoted to the two At the upper position of the rail rod, and the other ends of the two lower connecting rods are pivoted on the two sliding sleeves respectively, so that when the leisure chair is unfolded for use, the rear connecting rod group is centered on the pull handle. The upper link and the two lower links support and expand the two chair frame link sets. When the pull handle is pulled upward, the two upper links will be lifted up, and the second lower link Then through the two sliding sleeves sliding upward along the two rail rods, the two upper and lower links are formed into an inverted V shape, and at the same time, the two chair frame link sets are leaned together in the direction of the handle, so that To achieve the folding storage state of the leisure chair. The folding structure of the leisure chair according to claim 1, wherein the two chair frame linkage groups both include a front foot rod and a rear foot rod pivotally connected in an inverted V-shaped manner, and a chair cushion rod pivotally connected in an L-shaped manner And a backrest rod and an armrest rod connected between the pivotal ends of the front and rear foot rods and the backrest rod, and the outer diameter of the rear foot rod is slidably assembled with a sliding seat, and the upper half of the rear foot rod A blocking portion is provided at any position of the sliding seat to limit the abutment of the sliding seat, and the sliding seat is provided to connect the chair cushion rod so that the chair cushion rod can slide along the rear foot rod to reach an unfolded or folded state. The folding structure of the leisure chair according to claim 2, wherein the two rails of the rear link group are respectively pivoted on the backrest bars of the two chair frame link groups. The folding structure of the leisure chair according to claim 2 or 3, wherein the front link group includes an X-shaped link and two connecting pipes pivoted on both sides of the X-shaped connecting rod, both of which are One telescopic tube has an inner shrinking tube with a smaller tube diameter, the bottoms of the two connecting tubes are pivoted on the bottoms of the two front foot rods, and the tops of the two inner shrinking tubes are pivoted below the two chair cushion rods.

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